#175A8F#175A8F

#175A8F is a mid, moderate cyan. Relative luminance 0.095; OKLCH L 45.5% C 0.108 H 247.5°. Best body text is #FFFFFF at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#175A8F
RGB	rgb(23, 90, 143)
HSL	hsl(207, 72%, 33%)
HSV	hsv(207, 84%, 56%)
CMYK	cmyk(83.9%, 37.1%, 0%, 43.9%)
CIE-LAB	lab(36.89, -0.35, -34.99)
CIE-LCH	lch(36.89, 34.99, 269.42°)
OKLab	oklab(45.48% -0.0412 -0.0997)
OKLCH	oklch(45.48% 0.108 247.5)
XYZ	xyz(8.9655, 9.4765, 27.3379)
Luminance	0.0948 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#175A8F #8F4C17

analogous

#178F88 #175A8F #171E8F

triadic

#175A8F #8F175A #5A8F17

tetradic

#175A8F #88178F #8F4C17 #1E8F17

square

#175A8F #88178F #8F4C17 #1E8F17

split-complementary

#175A8F #8F171E #8F8817

monochromatic

#061826 #0F395A #175A8F #1F7BC4 #409AE0

Accessibility & contrast

On white

7.25

#175A8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#175A8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #175A8F

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##175A8F	#FFFFFF	#000000	##FFFFFF
##175A8F	1.00	7.25	2.90	7.25
#FFFFFF	7.25	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#415D91

Deuteranopia (green-blind)

#2F528E

Tritanopia (blue-blind)

#00676D

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #175a8f;
/* rgb */ color: rgb(23, 90, 143);
/* oklch */ color: oklch(45.5% 0.108 247.5);

Tailwind

colors: {
  custom: {
    50: '#6a88b0',
    500: '#175a8f',
    950: '#000000',
  },
}

SCSS

$custom: #175a8f;
$custom-light: #6a88b0;
$custom-dark: #000000;

JSON

{
  "hex": "#175a8f",
  "rgb": {
    "r": 23,
    "g": 90,
    "b": 143
  },
  "hsl": {
    "h": 206.5,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.45484,
    "c": 0.10792,
    "h": 247.5
  },
  "luminance": 0.09478
}

Semantic roles & 50–950 ramp

primary

#175A8F

secondary

#C17941

accent

#8939EF

background

#F6F8FA

surface

#ECEFF5

border

#C7CACF

text

#070B10

muted

#7A7C7F

Preview Lab

Preview with #175A8F

Body copy rendered with the generated semantic roles for this colour.

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